Unit Converter
CalculationConvert between length, weight, volume, area and temperature units with instant results. Free, accurate and fully client-side.
Speed converter
Conversions happen instantly in your browser. Temperature uses exact formulas; all other units use standard conversion factors with up to 4 decimal places.
What is a Unit Converter?
A Unit Converter moves measurements between units for length, weight, volume, area and temperature. From centimeters to inches, kilograms to pounds, Celsius to Fahrenheit — hundreds of everyday conversions on one screen, useful for recipes, math homework, engineering and shopping.
Which conversions are supported?
- Length: millimeter, centimeter, meter, kilometer, inch, foot, yard, mile.
- Weight: milligram, gram, kilogram, ton, ounce, pound.
- Volume: milliliter, centiliter, deciliter, liter, cubic meter, US gallon.
- Area: square millimeter/centimeter/meter, hectare, square kilometer, acre.
- Temperature: Celsius, Fahrenheit, Kelvin.
Is my data safe?
Yes. All conversions run in your browser; your values are never sent or stored. Free and account free.
FAQ
- What decimal separator can I use? Both comma and dot are accepted (e.g. 1,5 or 1.5).
- Are results rounded? Values are rounded to six digits — accurate enough for everyday measurement.
- Can more units be added? The five most common categories are supported; categories can be extended on request.
Frequently Asked Questions
What is Unit Converter?
Converts between length, weight, volume, area and temperature units quickly.
How do I use Unit Converter?
Type or paste your data into the field on this page and press the button. The result is calculated instantly in your browser — nothing is uploaded.
Is Unit Converter free?
Yes, Unit Converter is completely free. No signup, no downloads and no usage limits.
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